add js object to kxml decorator

add config warpper around environment variables

src/utils/config.ts

@@ -0,0 +1,27 @@
+import dotenv from 'dotenv';
+dotenv.config();
+
+class Config {
+    get port() {
+        return process.env.PORT ? parseInt(process.env.PORT) : 10573;
+    }
+
+    get selfUrl() {
+        return process.env.SELF_URL ?? 'http://127.0.0.1:10573';
+    }
+
+    get ntpUrl() {
+        return process.env.NTP_URL ?? 'ntp://pool.ntp.org';
+    }
+
+    get mongoUrl() {
+        return process.env.MONGO_URL ?? 'mongodb://127.0.0.1:27017';
+    }
+
+    get isDev() {
+        return process.env.NODE_ENV !== 'production';
+    }
+}
+
+export const config = new Config();
+export default config;